In a study of black men, high blood pressure appeared to be an independent predictor of nocturia, reports Medpage Today.

In an ongoing barbershop hypertension intervention study, each 10 mm Hg increment in systolic blood pressure was associated with a multivariate adjusted odds ratio of 1.13 for self-reported nocturia (95% CI 1.05-1.21), O’Neil Mason, MD, of Cedars-Sinai Heart Institute in Los Angeles, and colleagues reported here at the American Society of Hypertension meeting.

“The effect associated with each 10 mm Hg increase in systolic blood pressure was similar to that with each 10-year increase in age,” the researchers noted in the abstract. They declined to comment on the presentation.

Being treated with antihypertensive medication was an even stronger independent factor (OR 1.79) in the study of 2,011 African-American men, ages 35 to 79, of whom 49% were hypertensive.

They were screened at participating Los Angeles-area barbershops by professional field interviewers with repeated oscillometric blood pressure measurement on a single occasion and in-person computerized questionnaires that included nocturia and key known determinants. A few prior studies have linked nocturia to both hypertension and to non-Hispanic black race or ethnicity, but none actually measured blood pressure, instead drawing numbers from electronic health records or self-report.

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